Pro-B2 Battery Pack with built in receiver

An 8 f-stop range, a 250 W modeling light, and recycling in 0.04–1.8 s.

Up to 200 full power flashes from a single battery
Recycling: 0.04–1.8 s
Flash durations: 1/2200–1/7400 s
Full 8 f-stop range in 1/2 or 1/10 step adjustments
Asymmetrical or symmetrical power distribution
Up to 250 W modeling lamp
Continuous modeling light or timer